Which of the following statements concerning cross-sectional research is false? A. Cross-sectional research analyzes the same subjects over a period of time.
B. Cross-sectional research is used to compare variables across groups.
C. Cross-sectional research conducts a particular study only one time.
D. Cross-sectional research is often used in educational or developmental psychology.

Which of the following statements describes the lysogenic cycle of lambda (λ) phage? a) after infection, the viral genes immediately turn the host cell into a lambda-producing factory, and the host cell then lyses.b) most of the prophage genes are activated by the product of a particular prophage gene.c) the phage genome replicates along with the host genome.d) the phage dna is copied and exits the cell as a phage.